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английский) 2:
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The first stage is the period of human evolution. At this stage, a feature has been the accumulation of knowledge for survival in a biological environment. On the example of primitive people, we can say that they learned about the habits of animals, and the power of nature for what would have to know exactly when and what to do. Being aware of the fact that wild boars have a fast run, they could just about cover a certain territory and calculate the distance of the shot. In general, the first stage was the founder of the study and deepening in the environment.
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